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   <div id="projectname">CZPlayer
   &#160;<span id="projectnumber">3.0.0</span>
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<div class="title">Thread.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef INCLUDE_THREAD</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define INCLUDE_THREAD</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">/************************************************************************/</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">/* CThread                                                              */</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">/************************************************************************/</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"><a class="line" href="class_c_thread.html">    7</a></span>&#160;<span class="keyword">class </span><a class="code" href="class_c_thread.html">CThread</a></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;{</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;    HANDLE m_hThread;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;    DWORD m_dwThreadId;</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;    <span class="keywordtype">bool</span> m_Suspended;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;    <span class="keyword">static</span> DWORD CALLBACK ThreadProc(LPVOID lpParameter)</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;    {</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;        <a class="code" href="class_c_thread.html">CThread</a>* pThread = (<a class="code" href="class_c_thread.html">CThread</a>*)lpParameter;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;        <span class="keywordflow">if</span>(pThread == NULL)</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;        {</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;        }</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;        pThread-&gt;Execute();</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    }</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keywordtype">bool</span> m_Stop;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> Execute() = 0; <span class="comment">/* this pure virtual function should be implemented by child class </span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">                                which inherited from this class</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">                                */</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <a class="code" href="class_c_thread.html">CThread</a>(<span class="keywordtype">bool</span> pCreateSuspened = <span class="keyword">true</span>) : m_hThread(NULL), m_dwThreadId(0), m_Stop(<span class="keyword">false</span>), m_Suspended(<span class="keyword">false</span>)</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    {</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        m_hThread = CreateThread(NULL, 0, ThreadProc, (<span class="keywordtype">void</span>*)<span class="keyword">this</span>,</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;            (pCreateSuspened == <span class="keyword">true</span>) ? CREATE_SUSPENDED : 0, &amp;m_dwThreadId);</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        m_Suspended = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    }</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    ~<a class="code" href="class_c_thread.html">CThread</a>()</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    {</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        <span class="keywordflow">if</span>(m_hThread != NULL)</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;            CloseHandle(m_hThread);</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        }</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    }</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="comment">//恢复该线程</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="keywordtype">void</span> Resume()</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        <span class="keywordflow">if</span>(m_hThread != NULL &amp;&amp; m_Suspended == <span class="keyword">true</span> &amp;&amp; !m_Stop)</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        {</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;            ResumeThread(m_hThread);</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            m_Suspended = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        }</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    }</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="comment">//暂停该线程</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keywordtype">void</span> Suspend()</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    {</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keywordflow">if</span>(m_hThread != NULL &amp;&amp; m_Suspended == <span class="keyword">false</span> &amp;&amp; !m_Stop)</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        {</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            SuspendThread(m_hThread);</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            m_Suspended = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <span class="comment">//判断是否是暂停状态</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordtype">bool</span> Suspended() </div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    { </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        <span class="keywordflow">return</span> m_Suspended; </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <span class="comment">//停止该线程</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="keywordtype">void</span> Stop()</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        m_Stop = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="keywordflow">if</span>(!Suspended())</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        {</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            Suspend();</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        }</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    }</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="comment">//等待线程回收资源</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keywordtype">void</span> wait()</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    {</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        WaitForSingleObject(m_hThread, INFINITE);</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    }</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;};</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="class_c_thread_html"><div class="ttname"><a href="class_c_thread.html">CThread</a></div><div class="ttdef"><b>Definition:</b> Thread.h:7</div></div>
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